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https://issues.apache.org/jira/browse/FLINK-3929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15496150#comment-15496150
]
ASF GitHub Bot commented on FLINK-3929:
---------------------------------------
Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/2275#discussion_r79154968
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/security/SecurityContext.java
---
@@ -155,6 +157,58 @@ public static void install(SecurityConfiguration
config) throws Exception {
installedContext = new SecurityContext(loginUser);
}
+ /*
+ * This is a temporary fix to support both Kafka and ZK client libraries
+ * that are expecting the system variable to determine secure cluster
+ */
+ private static void populateJaasConfigSystemProperty(Configuration
configuration) {
+
+ //hack since Kafka Login Handler explicitly looks for the
property or else it throws an exception
+
//https://github.com/apache/kafka/blob/0.9.0/clients/src/main/java/org/apache/kafka/common/security/kerberos/Login.java#L289
+ if(null == configuration) {
+ System.setProperty("java.security.auth.login.config",
"");
+ return;
+ }
+
+ String baseDir =
configuration.getString(ConfigConstants.FLINK_BASE_DIR_PATH_KEY, null);
+ if(baseDir == null) {
+ System.setProperty("java.security.auth.login.config",
"");
+ return;
+ }
+
+ File f = new File(baseDir);
+ if(!f.exists() || !f.isDirectory()) {
+ LOG.error("Invalid flink base directory {}
configuration provided", baseDir);
+ throw new IllegalConfigurationException("Invalid flink
base directory configuration provided");
+ }
--- End diff --
This check should really be somewhere else. I think you can use
`ENV_FLINK_CONF_DIR` which is always set. The `FLINK_BASE_DIR_PATH_KEY` should
be deprecated. It's not used anymore.
> Support for Kerberos Authentication with Keytab Credential
> ----------------------------------------------------------
>
> Key: FLINK-3929
> URL: https://issues.apache.org/jira/browse/FLINK-3929
> Project: Flink
> Issue Type: New Feature
> Reporter: Eron Wright
> Assignee: Vijay Srinivasaraghavan
> Labels: kerberos, security
> Original Estimate: 672h
> Remaining Estimate: 672h
>
> _This issue is part of a series of improvements detailed in the [Secure Data
> Access|https://docs.google.com/document/d/1-GQB6uVOyoaXGwtqwqLV8BHDxWiMO2WnVzBoJ8oPaAs/edit?usp=sharing]
> design doc._
> Add support for a keytab credential to be associated with the Flink cluster,
> to facilitate:
> - Kerberos-authenticated data access for connectors
> - Kerberos-authenticated ZooKeeper access
> Support both the standalone and YARN deployment modes.
>
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